1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
|
/***************************************************************************
* Copyright (C) 2009 Øyvind Harboe *
* oyvind.harboe@zylin.com *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "flash.h"
#include "image.h"
static int faux_register_commands(struct command_context_s *cmd_ctx);
static int faux_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct flash_bank_s *bank);
static int faux_erase(struct flash_bank_s *bank, int first, int last);
static int faux_protect(struct flash_bank_s *bank, int set, int first, int last);
static int faux_write(struct flash_bank_s *bank, uint8_t *buffer, uint32_t offset, uint32_t count);
static int faux_probe(struct flash_bank_s *bank);
static int faux_protect_check(struct flash_bank_s *bank);
static int faux_info(struct flash_bank_s *bank, char *buf, int buf_size);
flash_driver_t faux_flash =
{
.name = "faux",
.register_commands = faux_register_commands,
.flash_bank_command = faux_flash_bank_command,
.erase = faux_erase,
.protect = faux_protect,
.write = faux_write,
.probe = faux_probe,
.auto_probe = faux_probe,
.erase_check = default_flash_blank_check,
.protect_check = faux_protect_check,
.info = faux_info
};
typedef struct faux_flash_bank_s
{
struct target_s *target;
uint8_t *memory;
uint32_t start_address;
} faux_flash_bank_t;
static const int sectorSize = 0x10000;
/* flash bank faux <base> <size> <chip_width> <bus_width> <target#> <driverPath>
*/
static int faux_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct flash_bank_s *bank)
{
faux_flash_bank_t *info;
if (argc < 6)
{
LOG_WARNING("incomplete flash_bank faux configuration");
return ERROR_FLASH_BANK_INVALID;
}
info = malloc(sizeof(faux_flash_bank_t));
if (info == NULL)
{
LOG_ERROR("no memory for flash bank info");
return ERROR_FAIL;
}
info->memory = malloc(bank->size);
if (info == NULL)
{
free(info);
LOG_ERROR("no memory for flash bank info");
return ERROR_FAIL;
}
bank->driver_priv = info;
/* Use 0x10000 as a fixed sector size. */
int i = 0;
uint32_t offset = 0;
bank->num_sectors = bank->size/sectorSize;
bank->sectors = malloc(sizeof(flash_sector_t) * bank->num_sectors);
for (i = 0; i < bank->num_sectors; i++)
{
bank->sectors[i].offset = offset;
bank->sectors[i].size = sectorSize;
offset += bank->sectors[i].size;
bank->sectors[i].is_erased = -1;
bank->sectors[i].is_protected = 0;
}
info->target = get_target(args[5]);
if (info->target == NULL)
{
LOG_ERROR("target '%s' not defined", args[5]);
free(info->memory);
free(info);
return ERROR_FAIL;
}
return ERROR_OK;
}
static int faux_register_commands(struct command_context_s *cmd_ctx)
{
return ERROR_OK;
}
static int faux_erase(struct flash_bank_s *bank, int first, int last)
{
faux_flash_bank_t *info = bank->driver_priv;
memset(info->memory + first*sectorSize, 0xff, sectorSize*(last-first + 1));
return ERROR_OK;
}
static int faux_protect(struct flash_bank_s *bank, int set, int first, int last)
{
LOG_USER("set protection sector %d to %d to %s", first, last, set?"on":"off");
return ERROR_OK;
}
static int faux_write(struct flash_bank_s *bank, uint8_t *buffer, uint32_t offset, uint32_t count)
{
faux_flash_bank_t *info = bank->driver_priv;
memcpy(info->memory + offset, buffer, count);
return ERROR_OK;
}
static int faux_protect_check(struct flash_bank_s *bank)
{
return ERROR_OK;
}
static int faux_info(struct flash_bank_s *bank, char *buf, int buf_size)
{
snprintf(buf, buf_size, "faux flash driver");
return ERROR_OK;
}
static int faux_probe(struct flash_bank_s *bank)
{
return ERROR_OK;
}
|
